"Scientists and lawyers are scheduled to debate the safety of certain 'BPA-free' plastics this week in a U.S. District Court in Austin, Texas."

"Evangelical scientists have urged members of Congress to act on climate change in a letter calling for legislation to reduce carbon emissions and protect the environment."

The incidence of autism has increased in recent decades, but scientists are still struggling to understand what causes the developmental disorder. Now they are starting to suspect "environmental epigenetics" may play a key role in its origin.

"WASHINGTON, DC -- The latest environmental assessment of the controversial TransCanada Keystone XL tar sands pipeline is flawed because the contractor hired by the U.S. State Department to write the review 'lied' on its conflict of interest disclosure form about its past work for TransCanada, finds research released Wednesday by two environmental groups."

"We have to confess: When we heard that Twinkies will have nearly double the shelf life, 45 days, when they return to stores next week, our first reaction was -- days? Not years?"

"Archaeologists digging in the foothills of Iran's Zagros Mountains have discovered the remains of a Stone Age farming community. It turns out that people living there were growing plants like barley, peas and lentils as early as 12,000 years ago."

"ATLANTA -- A political group founded by billionaire brothers Charles and David Koch wants Georgia's utility regulators to reject a plan requiring Southern Co. to buy more solar energy, but an Associated Press review ahead of a vote on the issue finds that it has used misleading figures to build its case."

OAKLAND, Calif. -- The U.S. State Department is in the process of deciding whether the proposed Keystone XL tar sands oil pipeline would be in the U.S. national interest, but the determination is being made without Keystone XL’s digital GIS data, such as the longitude and latitude of milepost markers, waterbody crossings and the centerline route."

"Hydrologist David Evetts drove north from his office in Boise, Idaho, to the former prospecting town of Elk City on May 2. Fifty miles down a dead-end mountain road, he stopped at a gray metal box on a bridge over the South Fork Clearwater River. Reaching inside, he turned off the satellite feed that once relayed the river's water-level measurements from stream gauge number 13337500 every 15 minutes."

"When the Environmental Protection Agency abruptly retreated on its multimillion-dollar investigation into water contamination in a central Wyoming natural gas field last month, it shocked environmentalists and energy industry supporters alike."